6787378788738 has 32 divisors (see below), whose sum is σ = 13863764079360. Its totient is φ = 2214293109120.

The previous prime is 6787378788689. The next prime is 6787378788739. The reversal of 6787378788738 is 8378878737876.

It is not an unprimeable number, because it can be changed into a prime (6787378788739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36177558 + ... + 36364686.

It is an arithmetic number, because the mean of its divisors is an integer number (433242627480).

Almost surely, 2^{6787378788738} is an apocalyptic number.

6787378788738 is an abundant number, since it is smaller than the sum of its proper divisors (7076385290622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6787378788738 is a wasteful number, since it uses less digits than its factorization.

6787378788738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315802.

The product of its digits is 29739515904, while the sum is 87.

The spelling of 6787378788738 in words is "six trillion, seven hundred eighty-seven billion, three hundred seventy-eight million, seven hundred eighty-eight thousand, seven hundred thirty-eight".